134L5891 Danfoss VLT AQUA Drive FC=202 37 KW / 50 HP, 380 - 480 VAC, IP20

Why Choose the Danfoss 134L5891 VLT® AQUA Drive FC 202?

The Danfoss 134L5891 is a powerful and efficient AC variable frequency drive (VFD) from the Danfoss VLT® AQUA Drive FC 202 series, designed specifically for water, wastewater and pump control applications. Engineered for precise motor speed regulation, this drive helps optimise energy consumption, reduce mechanical stress and support dependable operation in demanding industrial and municipal environments.

The VLT® AQUA Drive FC 202 range is developed for AC-motor-driven water systems, offering dedicated pump functionality, robust protection features and advanced energy-saving performance. Its IP20 chassis format makes the 134L5891 ideal for cabinet-mounted installations where high-power motor control, reliable automation integration and efficient pump operation are required.

With a rated output power of 37 kW (50 HP) and a three-phase 380–480 V AC supply, the Danfoss 134L5891 is suitable for large pump systems, booster stations, water treatment equipment and industrial fluid-handling applications requiring smooth, efficient and reliable motor control.

Key Advantages

• Purpose-built variable frequency drive for water and wastewater applications.
• 37 kW (50 HP) motor power rating for high-demand pump and process control systems.
• Three-phase 380–480 V AC input suitable for industrial power networks.
• Compact IP20 chassis design for cabinet and panel installations.
• RFI Class A2 (C3) filtering supports EMC-conscious system design.
• PROFINET communication option enables integration with industrial automation networks.

Key Features

• Danfoss VLT® AQUA Drive FC 202 series.
• 37 kW (50 HP) rated output power.
• Three-phase 380–480 V AC input supply.
• IP20 chassis enclosure.
• B4 frame size.
• RFI Class A2 (C3) filter.
• Safe Stop functionality for enhanced operational safety.
• PROFINET MCA 120 communication option.
• No Local Control Panel included.
• Not coated PCB and no mains option.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT® AQUA Drive FC 202
• Model: 134L5891
• Product code: FC-202P37KT4E20H2TXXXXXSXXXXALBXCXXXXDX
• Product type: AC variable frequency drive
• Rated output power: 37 kW
• Horsepower rating: 50 HP
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Frequency: 50 / 60 Hz
• Protection rating: IP20 / chassis
• Frame size: B4
• RFI filter: Class A2 (C3)
• Safety function: Safe Stop
• Communication: PROFINET MCA 120
• Control panel: No Local Control Panel
• PCB coating: Not coated
• Mains option: No mains option
• Dimensions (H × W × D): approx. 516 × 229 × 242 mm
• Weight: approx. 20.7 kg
• Barcode: 5710107810802
• Mounting type: Cabinet / panel mounting

Efficient Pump Control for Water Systems

Variable frequency drives such as the Danfoss VLT® AQUA Drive FC 202 regulate motor speed by adjusting the output frequency and voltage supplied to the motor. This allows pump systems to respond accurately to changing flow and pressure requirements while reducing unnecessary energy use, pressure surges and mechanical wear.

The Danfoss 134L5891 is designed for applications where high-power pump control, reduced maintenance and reliable automation integration are important. Its AQUA-focused functionality and PROFINET communication support make it suitable for modern water treatment, pumping and industrial process systems.

Typical Applications

• Water treatment and distribution systems.
• Wastewater pumping applications.
• Large booster pump systems.
• Industrial process water control.
• Irrigation and agricultural pumping.
• HVAC water circulation systems.
• Municipal pump stations.

Trusted by Water Industry Professionals Worldwide

Danfoss VLT® AQUA Drives are trusted by water utilities, system integrators and industrial engineers for efficient pump control, dependable operation and long-term energy savings in water and wastewater systems.